[line] Add support for tv.line.me (closes #9427)

ChangeLog

@@ -1,3 +1,9 @@
+version <unreleased>
+
+Extractors
++ [line] Add support for tv.line.me (#9427)
+
+
 version 2018.03.10
 
 Core

youtube_dl/extractor/extractors.py

@@ -550,6 +550,7 @@
     LimelightChannelIE,
     LimelightChannelListIE,
 )
+from .line import LineTVIE
 from .litv import LiTVIE
 from .liveleak import (
     LiveLeakIE,

youtube_dl/extractor/line.py

@@ -0,0 +1,90 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import js_to_json
+
+
+class LineTVIE(InfoExtractor):
+    _VALID_URL = r'https?://tv\.line\.me/v/(?P<id>\d+)_[^/]+-(?P<segment>ep\d+-\d+)'
+
+    _TESTS = [{
+        'url': 'https://tv.line.me/v/793123_goodbye-mrblack-ep1-1/list/69246',
+        'info_dict': {
+            'id': '793123_ep1-1',
+            'ext': 'mp4',
+            'title': 'Goodbye Mr.Black | EP.1-1',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 998.509,
+            'view_count': int,
+        },
+    }, {
+        'url': 'https://tv.line.me/v/2587507_%E6%B4%BE%E9%81%A3%E5%A5%B3%E9%86%ABx-ep1-02/list/185245',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        series_id, segment = re.match(self._VALID_URL, url).groups()
+        video_id = '%s_%s' % (series_id, segment)
+
+        webpage = self._download_webpage(url, video_id)
+
+        player_params = self._parse_json(self._search_regex(
+            r'naver\.WebPlayer\(({[^}]+})\)', webpage, 'player parameters'),
+            video_id, transform_source=js_to_json)
+
+        video_info = self._download_json(
+            'https://global-nvapis.line.me/linetv/rmcnmv/vod_play_videoInfo.json',
+            video_id, query={
+                'videoId': player_params['videoId'],
+                'key': player_params['key'],
+            })
+
+        stream = video_info['streams'][0]
+        extra_query = '?__gda__=' + stream['key']['value']
+        formats = self._extract_m3u8_formats(
+            stream['source'] + extra_query, video_id, ext='mp4',
+            entry_protocol='m3u8_native', m3u8_id='hls')
+
+        for a_format in formats:
+            a_format['url'] += extra_query
+
+        duration = None
+        for video in video_info.get('videos', {}).get('list', []):
+            encoding_option = video.get('encodingOption', {})
+            abr = video['bitrate']['audio']
+            vbr = video['bitrate']['video']
+            tbr = abr + vbr
+            formats.append({
+                'url': video['source'],
+                'format_id': 'http-%d' % int(tbr),
+                'height': encoding_option.get('height'),
+                'width': encoding_option.get('width'),
+                'abr': abr,
+                'vbr': vbr,
+                'filesize': video.get('size'),
+            })
+            if video.get('duration') and duration is None:
+                duration = video['duration']
+
+        self._sort_formats(formats)
+
+        if not formats[0].get('width'):
+            formats[0]['vcodec'] = 'none'
+
+        title = self._og_search_title(webpage)
+
+        # like_count requires an additional API request https://tv.line.me/api/likeit/getCount
+        
+        return {
+            'id': video_id,
+            'title': title,
+            'formats': formats,
+            'extra_param_to_segment_url': extra_query[1:],
+            'duration': duration,
+            'thumbnails': [{'url': thumbnail['source']}
+                           for thumbnail in video_info.get('thumbnails', {}).get('list', [])],
+            'view_count': video_info.get('meta', {}).get('count'),
+        }